The revolution need not be automated

The revolution need not be automated

Daron Acemoglu & Pascual Restrepo
08/04/19, 05:38 pm

(Apr 8): Artificial intelligence is transforming every aspect of our lives, not least the economy. As a general-purpose technology, AI’s applications are potentially endless. While it can be used to automate tasks previously performed by people, it can also make human labour more productive, thereby increasing labour demand.

Unfortunately, the current trend in commercial AI development is towards more and more automation, with potentially disastrous consequences for society. To be sure, automation has been an engine of productivity growth since the beginning of the Industrial Revolution, when, starting in the late 18th century, weaving and spinning were mechanised. But the tide of automation does not automatically lift all boats. By replacing labour with machines in production tasks, automation reduces labour’s share of value added (and national income), contributes to inequality and may reduce employment and wages.

And yet most modern economies have experienced robust wage and employment growth since the Industrial Revolution. As automation has displaced workers in performing certain tasks, other technologies have emerged to restore labour’s central role in the production process by creating new tasks in which humans have a comparative advantage. These technologies have not only contributed to productivity growth, but have also increased employment and wages, generating a more equitable distribution of resources in the process.

Consider agricultural mechanisation, which started in the 19th century. At first, the substitution of machines for raw labour did reduce the share of labour in value added, displacing a huge share of the US workforce that had previously been employed in farming. But, at the same time, burgeoning new industries needed workers to perform novel tasks and pursue emerging occupations. Clerical positions expanded both in services and manufacturing, where a finer division of labour boosted productivity, employment and wage growth.

A similar pattern of technological change fuelled employment and wage growth for high- and low-skilled workers alike in the decades following World War II. Yet, in the past three decades, the accompanying changes needed to offset the labour-displacement effects of automation have been notably absent. As a result, wage and employment growth have remained stagnant, and productivity growth anaemic. Ominously, AI appears set to exacerbate this pattern, leading to even higher inequality and many more decades of slow wage growth and declining labour-market participation. But there is nothing about AI that requires this outcome. On the contrary, AI applications could be deployed to restructure tasks and create new activities where labour can be reinstated, ultimately generating far-reaching economic and social benefits.

In education, for example, real-time data collection and processing by AI systems can empower teachers to offer individualised instruction calibrated to each student’s needs, which likely vary from subject to subject. The same applies to healthcare, where AI can empower technicians and skilled nurses to offer personalised treatments. Moreover, AI’s potential benefits for labour are not confined to services. Thanks to advances in augmented and virtual reality, it can also be used to create new tasks for humans in high-precision manufacturing, which is currently dominated by industrial robots.

It is tempting to think that the market will translate these promises into reality. New technologies generate benefits not just for the inventors and early adopters, but for other producers, workers and consumers as well. And some technologies have the capacity to spur job creation and reduce inequality, with huge social benefits that the inventors and early adopters did not even consider.

The problem is that technology markets do not work so well when there are competing paradigms in play. The more the automation paradigm pulls ahead, the more market incentives will favour investing in that area at the expense of other paradigms that could create new labour-intensive tasks.

If that is not reason enough not to trust in the market, there are additional problems specific to AI technologies. To take one example, the field is dominated by a handful of large tech companies with business models closely linked to automation.

These firms account for the bulk of investments in AI research, and they have created a business environment in which the removal of fallible humans from the production processes is regarded as a technological and business imperative. To top it off, governments are subsidising corporations through accelerated amortisation, tax breaks and interest deductions — all while taxing labour.

No wonder adopting new automation technologies has become profitable even when the technologies themselves are not particularly productive. Such failures in the market for innovation and technology seem to be promoting precisely the wrong kind of AI. A single-minded focus on automating more and more tasks is translating into low productivity and wage growth and a declining labour share of value added.

This does not have to be the case. By recognising an obvious market failure and redirecting AI development towards the creation of new productivity-enhancing tasks for people, we can achieve shared prosperity once again. We dare not hazard the alternatives. — © Project Syndicate

E Daron Acemoglu is a professor of economics at MIT. Pascual Restrepo is a professor of economics at Boston University.

This story appears in The Edge Singapore (Issue 875, week of Apr 8) which is on sale now. Subscribe here

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